DTC C1125-12: Electric Parking Brake Tension Sensor "B" Circuit Short to Battery [11/2020 - ]: Procedure
- CHECK FOR SHORT TO +B
Pre-procedure1
- Turn the ignition switch off.
- Disconnect the G71 parking brake actuator assembly with bracket connector.
- Turn the ignition switch to ON.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition Result G71-10 (TSN2) - G71-1 (TGND) Ignition switch ON Below 1 V V Result
Proceed to OK NG
Post-procedure1
- None
Result:
OK
REPLACE PARKING BRAKE ACTUATOR ASSEMBLY WITH BRACKET. Refer to REMOVAL [11/2020 - 11/2021] , or refer to REMOVAL [11/2021 - 12/2022] , or refer to REMOVAL [12/2022 - 12/2023] , or refer to REMOVAL [12/2023 - ]
Result:
NG
See step 2
- CHECK FOR SHORT TO +B
Pre-procedure1
- Turn the ignition switch off.
- Disconnect the G71 parking brake actuator assembly with bracket connector.
- Disconnect the A6 No. 2 skid control ECU (brake actuator assembly) connector.
- Turn the ignition switch to ON.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition Result G71-10 (TSN2) or A6-40 (TSN2) - Body ground Ignition switch ON Below 1 V V G71-1 (TGND) or A6-42 (TGND) - Body ground Ignition switch ON Below 1 V V Result
Proceed to OK NG
Post-procedure1
- None
Result:
OK
REPLACE NO. 2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY). Refer to REMOVAL [11/2020 - 11/2021] , or refer to REMOVAL [11/2021 - 12/2022] , or refer to REMOVAL [12/2022 - 12/2023] , or refer to REMOVAL [12/2023 - ]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR